Abstract:
Bulbophyllum and Vanda are tropical orchids that are widely distributed in many regions in Indonesia, as well as in Pekanbaru, Riau. These genera have their own beauty with unique morphological characters, therefore they attract most people especially orchid lover. This research aimed to identify the species of Bulbophyllum and Vanda in Pekanbaru and to
determine their relationship based on their morphological characters. One hundred eighteen
characters were scored from 10 orchid species, these characters were then analyzed using
NTSyst 2.02. The result identified five Bulbophyllum species (B. vaginatum, B. medusa,B.
machrantum, B. echinolambium and B. coroliferum) and five Vanda species (V. teres, V.
dearei, V. limbata, V. tricolorand V. sumatrana). The similarity coefficient was ranged from 0.24-0.72. The dendogram was mainly divided into two groups (A and B). Group A
consisted of all Vanda species while B consisted of all Bulbophyllum species
